document.write( "Question 648378: How many liters of a 30% alcohol solution must be mixed with 80 liters of a 90% solution to get a 40% solution? \r
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document.write( "Here is the equation that I tried to make out of it.\r
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document.write( ".3x times .9(80)= .40\r
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document.write( "It seems so simple but I keep screwing it up. \n" );
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Algebra.Com's Answer #406690 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! How many liters of a 30% alcohol solution must be mixed with 80 liters of a 90% solution to get a 40% solution? \n" ); document.write( "---------------- \n" ); document.write( "You have 80 l of 90% \n" ); document.write( "You add x liters of 30% \n" ); document.write( "80*90 + x*30 = (80 + x)*40 \n" ); document.write( "Solve for x \n" ); document.write( " \n" ); document.write( " |